Journal of Food, Agriculture and Environment

Effect of water stress at different development stages on the corn yield

Author(s):

Ali Beyhan Uçak *, İbrahim Cerit, Sait Aykanat

Recieved Date: 2014-01-19, Accepted Date: 2014-03-26

Abstract:

This study was conducted to determine the effect of water stress to maize during 3 different growing periods on field at the Agricultural Research Institute during 2008 - 2009. In this study, the material for seed was P-3394 hybrid maize and 4 water stress treatments were examined in different growing periods. Plant height, ear height, thousand grain weight, ear diameter, ear size, grain number per ear and some agronomic characteristics were determined. Seasonal evapotranspiration was 771.2 mm. Monthly evapotranspiration varied from 90 to 195 mm/month (3 - 6.5 mm/day). According to those findings, the plants must be irrigated 5 times including emergency water at different periods, especially in the periods of tassel irrigation had to be made on time without skip. Application of water shortage to field is reduced 9% in the period of pollination (corn tassel). It was predicted that the first irrigation for second crop maize in Çukurova had to apply 30 - 35 days later from sowing, second irrigation before corn tasseling, third irrigation during the emergence period of ear, and fourth irrigation  in the period of grain loading, totally 5 irrigation applications, including tail-water.

Keywords:

Maize, irrigation, deficit irrigation

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 531-535

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